Canadian wood products industries . t shall be entirely free from mineral oil. (2) Unless sold as wood turpentine, it shall ab-sorb not less than 340 times its weight of iodine(Fluid Solution and Method). If sold as woodturpentine it shall absorb not less than 240 timesits weight of iodine by same method. (3) The undissolved (unpolymerized) residueon treatment of lOcc with 40cc of a sulphuric acidcontaining 20 per cent, of the fuming acid, shallnot exceed 10 per cent, by volume of the sample. (4) The refractive index of this residue shallbe not less than at 20°C. (5) The refractive inde
Canadian wood products industries . t shall be entirely free from mineral oil. (2) Unless sold as wood turpentine, it shall ab-sorb not less than 340 times its weight of iodine(Fluid Solution and Method). If sold as woodturpentine it shall absorb not less than 240 timesits weight of iodine by same method. (3) The undissolved (unpolymerized) residueon treatment of lOcc with 40cc of a sulphuric acidcontaining 20 per cent, of the fuming acid, shallnot exceed 10 per cent, by volume of the sample. (4) The refractive index of this residue shallbe not less than at 20°C. (5) The refractive index of the sample at 20° lie between and (6) The specific gravity of the sample at 20 not be less than (7) The initial boiling point shall not be lowerthan 150 C. under ordinary atmospheric pressure. (8) At least 75 per cent, by volume shall dis-til below 160°C. (9) The residue on evaporation over a steambath shall not exceed two (2) per cent. fune, 1916 CANADIAN WOODWORKER 37 Single Ply Veneer. suitable for Crating Purposes Basswood Maple Elm Various Widths and Lengths. Write for prices Hay & Company, Limited, Woodstock, Ont. WE HAVE BEEN MAKING THE Best French Gluein the World SINCE 1818; ALMOST A CENTURY In competition at the numerous Exposi-tions abroad, the quality of our glues hasbeen found so high that we are usually de-clared Beyond Competition. Our tradein this country makes the same in quality and service hasbrought this result and we are proud of it. Perfection in manufacture from the bestraw material makes the quality of COIG-NET FRENCH GLUES consistently thehighest. Large stocks at Montreal assure the bestof service. Why not take advantage of these mostimportant factors by using our glues?At your service for prices and samples. Coignet Chemical Products Co. 17 State Street, N. Y. CITY, Factories at \ SV Denis I France Lyons • ANGLORUBBING - POLISHING Works free and easy and can be rubbedin two day
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